On Fri, Nov 24, 2023 at 08:32:20AM +1000, Stuart Longland VK4MSL wrote: > On 22/11/23 18:25, Crystal Kolipe wrote: > >1. Once data is no longer "work in progress", archive it to write-only > > media and take it out of the regular backup loop. In most cases this > > drastically reduces the volume of data you need to manage. Feel free > > to keep a local on-line copy on a regular disk too for faster access. > > If it's "write only", how does one read it?
You try to write each bit a second time, and if the write succeeds then you know that it wasn't already written the first time around. Haven't you ever used magnetic core memory?